This category waymarks all types of greenhouses including large commercial / agricultural operations or small sales centres. Greenhouses also includes places that specialty plants are grown for public display or for education such as Universities. This includes commercial nurseries where the greenhouse is provided by mother nature (i.e. no building). This category is not for private greenhouses unless clearly open to the public or where the greenhouse is not the primary business (eg Walmart).

The Tree of Life Nursery is the largest wholesaler of California native plants in the state. They are also open to the public and offer classes on how to integrate these vital plants back into the common landscape.

Built for the centennial of the founding of Invercargill, the Steans Centennial Winter Garden is used by the Invercargill City Council Parks Division to grow plants during the cooler weather. Rather than being closed the public is welcome to come in.